1FSL

FERRIC SOYBEAN LEGHEMOGLOBIN COMPLEXED WITH NICOTINATE

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6		pH 6.0

Crystal Properties
Matthews coefficient	Solvent content
2.65	53.62

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 52.69	α = 90
b = 56.55	β = 109.9
c = 57.8	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	295	DIFFRACTOMETER	ENRAF-NONIUS FAST	COLLIMATOR	1981-04-19	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SEALED TUBE	OTHER

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	2.2	8		0.061		1.3		14153

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MIR	2.3	6	2	6877		49.5	0.158		12.3

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]

RMS Deviations
Key	Refinement Restraint Deviation
p_planar_tor	2.2
p_mcangle_it	1.03
p_scangle_it	0.94
p_mcbond_it	0.59
p_scbond_it	0.52
p_multtor_nbd	0.198
p_xyhbond_nbd	0.182
p_xhyhbond_nbd	0.172
p_singtor_nbd	0.15
p_chiral_restr	0.078
p_planar_d	0.025
p_angle_d	0.016
p_plane_restr	0.01
p_bond_d	0.009
p_angle_deg
p_hb_or_metal_coord
p_staggered_tor
p_orthonormal_tor
p_transverse_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2168
Nucleic Acid Atoms
Solvent Atoms	70
Heterogen Atoms	172

Software

Software
Software Name	Purpose
PROFFT	refinement
ENRAF-NONIUS	data reduction
PROTEIN	data scaling